Rod, sheet made of titanium gost SP40 alloy
This alloy can be defined in references as titanium gost SP40 or titanium alloy 40.
|Grade of titanium alloy:||40|
|Alloy classification:||Titanium deformable alloy|
|Industrial usage of alloy:||Manufacture of ingots, semi-finished products, titanium wire, rolled sections; details of special equipment, details for instrument engineering and aviation|
Strips and sheets are manufactured according to TC 1−5-357−75, GOST 23 755−79. Non-iron metals including rare metals and their alloys are made according to TC 1−5-453−78, IS 1 92 077−91.
Percentage composition according to GOST 1050−88
|0.37 — 0.45||0.17 — 0.37||0.5 — 0.8||≤ 0.3||basis||≤0,25||≤0,035||≤0,04||≤ 0,3||≤0,08|
Strips and sheets are manufactured according to TC 1−5-357−75, GOST 23 755−79.
Mechanical characteristics of alloy (temperature is 20°С).
|Range of sizes||GOST||Thickness||
|Sheet||4041−71||4 — 14||510−660||21||Annealing|
|Strip||1577−93||6 — 60||570||335||19||45||Air-hardening|
Description of mechanical characteristics
|Flow limit at permanent change of form (proportional limit) [MPa]||sT|
|Brinell hardness [MPa]||HB|
|Contraction ratio (%)||y|
|Short resistance to rupture [MPa]||sv|
|Percent elongation at fracture [ % ]||d5|
|Impact hardness [ kJ/m2]||KCU|
|weldable without limits||welding is done without further heat treating or heating|
|limitedly weldable||welding is possible at heating to 100−120°С and last heat treating|
|hardly weldable||in order to obtain a qualitative welded joints, it is necessary to perform the following operations: while welding to heat it up to 200−300°C, to do a heat treating (annealing) after welding|
Titanium and its alloys are not inferior to steel by strength, but they are twice lighter and differ with heat resistance, low heat conduction. Advantages of titanium are very promising in technical fields that require high strength-to-density ratio, heat resistance in combination with high corrosion resistance. Food, chemical industries, aviation, rocket-building, shipbuilding, motor vehicle mechanical engineering cannot do without titanium. Extraordinary characteristics of this metal are of the utmost interest in the capacity of a structural material in spacecraft engineering.
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